Home / 98,312,725.12-135,671,848.38-53,659,108.60

Finding the Fourth Proportional to 98,312,725.12, 135,671,848.38 and 53,659,108.60

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Solution

The fourth proportional to 98,312,725.12, 135,671,848.38 and 53,659,108.60 is: 74,049,726.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,312,725.12 : 135,671,848.38 = 53,659,108.60 : x
  2. Step 2: Convert to fraction form
    98,312,725.12/135,671,848.38 = 53,659,108.60/x
  3. Step 3: Cross multiply
    98,312,725.12x = 135,671,848.38 × 53,659,108.60
  4. Step 4: Simplify right side
    98,312,725.12x = 7,280,030,446,185,154
  5. Step 5: Solve for x
    x = 7,280,030,446,185,154/98,312,725.12
  6. Step 6: Final answer
    x = 74,049,726.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.